Perhaps you should try some spelling variations:
cong nghiep » cong nghe, doanh nghiep
nong nghiep » doanh nghiep
hoc thieu » toc thieu
cong cong » cong dong, trong cong, dung cong
van thanh » ban thanh, van tuan
thanh cau » thanh chau, thanh mau, nhanh cau
cong van » cong vang, cong san, song van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (hoc hien)) sach - dinh ((cong nghiep) or (nong nghiep)) cong cong van thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) sach - dinh ((cong nghiep) OR (nong nghiep)) cong cong van thanh cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (hoc hien)) sach - dinh ((cong nghiep) or (nong nghiep)) cong cong van thanh cau*.